Update comments.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5660 2fea6a4d-a838-0410-917b-93a53c48e9d2
Prevent uncaught exceptions.

May later on remove this and throw exceptions once
the whole timezone deal is fixed. Currently this method
will generate E_FATALS as Textpattern gives whatever
as the identifier.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5661 2fea6a4d-a838-0410-917b-93a53c48e9d2